| Used Operating Systems |
| 1 | 28314 | 37.62 | 422 | 3.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16954 | 22.53 | 435 | 3.20 | +http://yandex.com/bots |
| 3 | 10355 | 13.76 | 5863 | 43.12 | +http://ahrefs.com/robot/ |
| 4 | 8442 | 11.22 | 795 | 5.85 | Windows NT |
| 5 | 7263 | 9.65 | 4657 | 34.25 | +http://www.baidu.com/search/spider.html |
| 6 | 1409 | 1.87 | 376 | 2.77 | +http://www.google.com/bot.html |
| 7 | 818 | 1.09 | 315 | 2.32 | +http://www.bing.com/bingbot.htm |
| 8 | 559 | 0.74 | 320 | 2.35 | +http://www.linkdex.com/bots/ |
| 9 | 183 | 0.24 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 10 | 124 | 0.16 | 76 | 0.56 | +http://www.uptime.com/uptimebot |
| 11 | 106 | 0.14 | 43 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 62 | 0.08 | 19 | 0.14 | +http://www.semrush.com/bot.html |
| 13 | 59 | 0.08 | 13 | 0.10 | +http://help.coccoc.com/searchengine |
| 14 | 56 | 0.07 | 14 | 0.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 54 | 0.07 | 25 | 0.18 | Windows 98 |
| 16 | 48 | 0.06 | 20 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 40 | 0.05 | 14 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 40 | 0.05 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 19 | 38 | 0.05 | 0 | 0.00 | +spider@seoscanners.net |
| 20 | 35 | 0.05 | 29 | 0.21 | Windows 95 |
| 21 | 29 | 0.04 | 11 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 22 | 22 | 0.03 | 4 | 0.03 | Windows 2000 |
| 23 | 20 | 0.03 | 3 | 0.02 | Intel Mac OS X |
| 24 | 20 | 0.03 | 2 | 0.01 | +https://www.aihitdata.com/about |
| 25 | 20 | 0.03 | 2 | 0.01 | +http://megaindex.com/crawler |
| 26 | 18 | 0.02 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 27 | 15 | 0.02 | 15 | 0.11 | Windows 2004 |
| 28 | 12 | 0.02 | 6 | 0.04 | +http://duckduckgo.com |
| 29 | 10 | 0.01 | 10 | 0.07 | Auto; Windows |
| 30 | 10 | 0.01 | 2 | 0.01 | Windows 92 |
| 31 | 9 | 0.01 | 9 | 0.07 | Windows 2008 |
| 32 | 9 | 0.01 | 9 | 0.07 | Windows 2002 |
| 33 | 8 | 0.01 | 7 | 0.05 | Windows XP |
| 34 | 7 | 0.01 | 7 | 0.05 | Windows CE |
| 35 | 7 | 0.01 | 7 | 0.05 | Windows 2007 |
| 36 | 7 | 0.01 | 7 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 37 | 6 | 0.01 | 6 | 0.04 | Windows 2005 |
| 38 | 6 | 0.01 | 2 | 0.01 | +https://www.dataprovider.com/ |
| 39 | 5 | 0.01 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 40 | 4 | 0.01 | 4 | 0.03 | http://nmap.org/book/nse.html |
| 41 | 4 | 0.01 | 4 | 0.03 | Windows 2003 |
| 42 | 4 | 0.01 | 4 | 0.03 | Windows 2006 |
| 43 | 4 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 44 | 4 | 0.01 | 4 | 0.03 | +http://www.xovibot.net/ |
| 45 | 4 | 0.01 | 4 | 0.03 | Windows 9 |
| 46 | 4 | 0.01 | 2 | 0.01 | +http://www.exabot.com/go/robot |
| 47 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 48 | 3 | 0.00 | 3 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 49 | 3 | 0.00 | 3 | 0.02 | Windows 3.1 |
| 50 | 3 | 0.00 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 51 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 52 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 53 | 2 | 0.00 | 2 | 0.01 | Android 2.3.5 |
| 54 | 2 | 0.00 | 2 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 55 | 2 | 0.00 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 56 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 57 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 58 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
